[Previous][Next]
DTC Description
 
 
DTC DETECTION LOGIC
DTC No.M.U.T.-III SE screen terms
(Trouble diagnosis content)
DTC detection condition
U1CAC-02Air mix door motor 1
(Air mix door motor 1)
Diagnosis conditionWhen electric motor switch is ON
Signal (Terminal)LIN (door motor) signal
ThresholdA/C amp. is not transmitting or receiving LIN communication with air mix door motor (passenger side)
Diagnosis delay time2 second or more
 
 
POSSIBLE CAUSE
  • Harness and connector (air mix door motor (passenger side) circuit is open or shorted to ground)
  • Air mix door motor (passenger side)
  • A/C amp.
 
 
FAIL-SAFE
—
 
 
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
With M.U.T.-III SE
  1. Change the power supply mode of the electric motor switch to ON (READY indicator: ON).
  2. Select “Diagnostic Trouble Code” mode of “HVAC” using M.U.T.-III SE.
  3. Check DTC.
Is DTC detected?
Refer to Diagnosis Procedure.
-1To check malfunction symptom before repair: Refer to Intermittent IncidentIntermittent Incident.
-2Confirmation after repair: INSPECTION END